nanocore | 4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25

General

Target

4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe
Size

203KB
MD5

5db0229f3ede76a0447d0b26f36197c4
SHA1

c4e04cf4f87a5068f34f758ba0d0067a49e73ff9
SHA256

4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25
SHA512

4acab1c0b440fe47340a41d7422ed627db29c112d75acb602fed892065bbdf658d2893254e7af98faf39a1b0a6904664dbbd0d7c32d3ce950c6624ec4a3c7224
SSDEEP

3072:UzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIxXRqfOHzoFnMUowWBf8FcN99:ULV6Bta6dtJmakIM5Es2HzaM6of8099

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsv.exe"	4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\UDP Service\udpsv.exe	4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe
File opened for modification	C:\Program Files (x86)\UDP Service\udpsv.exe	4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3020	schtasks.exe
2056	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1620	4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe
1620	4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe
1620	4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe
1620	4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe
1620	4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe
1620	4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1620	4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1620	4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 3020	1620	4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe	30
PID 1620 wrote to memory of 3020	1620	4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe	30
PID 1620 wrote to memory of 3020	1620	4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe	30
PID 1620 wrote to memory of 3020	1620	4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe	30
PID 1620 wrote to memory of 2056	1620	4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe	32
PID 1620 wrote to memory of 2056	1620	4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe	32
PID 1620 wrote to memory of 2056	1620	4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe	32
PID 1620 wrote to memory of 2056	1620	4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe	32

C:\Users\Admin\AppData\Local\Temp\4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe
"C:\Users\Admin\AppData\Local\Temp\4f89ede0d20ff33212b45a41ee5da39782890ba4d160817e785fc057384e5f25.exe"
1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB700.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3020
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB79D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB700.tmp

Filesize
1KB

MD5
06884fe9795b43aea6c30aca3034bbe5

SHA1
ace955c5aa25b47b8d9c8003d89b53a4855276f4

SHA256
a3c4108eac5567452c07714fbff80c6947cf2c75c6c32d16e284cfed5f955515

SHA512
a0c20ce55c80aa49a08adccfc37abcb8c161bcc77dd5387e075825fd8785a034598cae838e16c0da80db95ed17327d3eba58b2a1862e754c010b2febc829f607

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB79D.tmp

Filesize
1KB

MD5
0a24db62cb5b84309c4803346caaa25d

SHA1
67660778f61bb44168c33ed3fe56ed86cf9583e8

SHA256
38d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df

SHA512
d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548

Download Submit
memory/1620-0-0x0000000074CA1000-0x0000000074CA2000-memory.dmp

Filesize
4KB

Download
memory/1620-1-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download
memory/1620-2-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download
memory/1620-10-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads